[  787.475590][T14760] netdevsim netdevsim374 eni374np1: renamed from eth0
[  787.488811][T14762] netdevsim netdevsim666 eni666np1: renamed from eth1
[  788.267041][T14748] Could not find device with ifindex 2000 in netnsfd 11
[  788.267781][T14748] Could not find netns with fd: 2000
[  788.268184][T14748] Cannot link a netdevsim to itself
[  788.269155][T14748] Format for linking two devices is "netnsfd_a:ifidx_a netnsfd_b:ifidx_b" (int uint int uint).